Citigroup (NYSE:C) will be releasing their earnings this week and is expected to report first annual profit since 2007. Citigroup earned $9.3 billion, or 31 cents per share, during the first nine months of 2010, vs. a loss of $6 billion, or 19 cents per share, over the same period a year earlier. Analysts are expecting Citigroup to report earnings of 8 cents per share in Q4 on revenue of $20.5 billion.

GS - Goldman Sachs Group, Inc. (NYSE:GS)

Goldman Sachs Group Inc. (NYSE:GS) said that the sale of private Faceboos shares, first reported Jan. 2, will be restricted to non-U.S. investors because “the level of media attention might not be consistent with the proper completion of a U.S. private placement under U.S. law.” Goldman Shares can see a drop on Tuesday.

AAPL- Apple Inc. (NASDAQ:AAPL)

As per reports on Monday, Apple Inc. (NASDAQ:AAPL) CEO Steve Jobs is taking medical leave for the second time in as many years. This time there is no definite date when he will be back. This news will definitely have a negative impact on the shares of Apple just before Apple's quarterly results.

SBUX- Starbucks Corporation (NASDAQ:SBUX)
Starbucks Corporation (NASDAQ:SBUX) announced on Sunday that it will roll out its biggest drink size yet, the 31-ounce "Trenta" in its U.S. coffee shops by May 3. The new size will be available only for iced coffee, iced tea and iced tea lemonade drinks in the United States.